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celox.cz screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

celox.cz

About the company | Celox, a.s. - Váš dodavatel papíru od roku 1990

Page Load Speed

4.2 sec in total

First Response

251 ms

Resources Loaded

3.9 sec

Page Rendered

132 ms

celox.cz screenshot

About Website

Click here to check amazing Celox content. Otherwise, check out these important facts you probably never knew about celox.cz

The history of the South Bohemian company Celox, although short is rich with achievements and has begun in 1990. Since then has this Czech firm, which ...

Visit celox.cz

Key Findings

We analyzed Celox.cz page load time and found that the first response time was 251 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

celox.cz performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

3/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.243

51/100

15%

TTI (Time to Interactive)

Value9.3 s

31/100

10%

Network Requests Diagram

celox.cz

251 ms

celox.cz

607 ms

css

32 ms

layout.css

604 ms

spolecne.css

584 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 94% of them (44 requests) were addressed to the original Celox.cz, 4% (2 requests) were made to Ssl.google-analytics.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Celox.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 690.6 kB (52%)

Content Size

1.3 MB

After Optimization

649.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Celox.cz main page is 1.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Javascripts take 615.7 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 11.5 kB

  • Original 15.5 kB
  • After minification 13.4 kB
  • After compression 4.0 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 2.0 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 11.5 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 855 B

  • Original 437.5 kB
  • After minification 436.6 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Celox images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 453.7 kB

  • Original 615.7 kB
  • After minification 550.3 kB
  • After compression 162.0 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 453.7 kB or 74% of the original size.

CSS Optimization

-83%

Potential reduce by 224.6 kB

  • Original 271.3 kB
  • After minification 217.4 kB
  • After compression 46.7 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Celox.cz needs all CSS files to be minified and compressed as it can save up to 224.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (68%)

Requests Now

44

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Celox. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

celox.cz

celox.cz

251 ms

celox.cz

celox.cz

607 ms

css

css

32 ms

layout.css

layout.css

604 ms

spolecne.css

spolecne.css

584 ms

home.css

home.css

724 ms

shopLayout.css

shopLayout.css

703 ms

shopDesign.css

shopDesign.css

507 ms

template.css

template.css

511 ms

jquery.fancybox.css

jquery.fancybox.css

825 ms

jquery-ui.min.css

jquery-ui.min.css

938 ms

jquery-1.11.2.min.js

jquery-1.11.2.min.js

1096 ms

jquery-ui.min.js

jquery-ui.min.js

1309 ms

jquery.flexslider.js

jquery.flexslider.js

1108 ms

flexslider.css

flexslider.css

1025 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

1221 ms

jquery.fancybox-buttons.css

jquery.fancybox-buttons.css

1232 ms

jquery.fancybox-buttons.js

jquery.fancybox-buttons.js

1320 ms

galerie.js

galerie.js

1401 ms

shopJS.js

shopJS.js

1600 ms

tabs.js

tabs.js

1515 ms

jquery-ui-timepicker-addon.js

jquery-ui-timepicker-addon.js

523 ms

jquery.numeric.js

jquery.numeric.js

348 ms

nastaveni.js

nastaveni.js

1723 ms

gyro.js

gyro.js

1599 ms

jquery.ui.touch-punch.min.js

jquery.ui.touch-punch.min.js

348 ms

struktura.js

struktura.js

1613 ms

menu_t.css

menu_t.css

992 ms

menu_b.css

menu_b.css

1099 ms

menu_l.css

menu_l.css

1177 ms

boxy.css

boxy.css

1296 ms

icon.css

icon.css

1306 ms

aktuality.css

aktuality.css

1302 ms

ga.js

ga.js

58 ms

logo.png

logo.png

318 ms

vlajky.png

vlajky.png

266 ms

1574349098.jpg

1574349098.jpg

337 ms

1574349149.jpg

1574349149.jpg

514 ms

1574349253.jpg

1574349253.jpg

545 ms

1574677959.jpg

1574677959.jpg

546 ms

1574677993.jpg

1574677993.jpg

662 ms

1574678010.jpg

1574678010.jpg

808 ms

bg-cb.jpg

bg-cb.jpg

226 ms

bg_title.png

bg_title.png

603 ms

logosmall.png

logosmall.png

788 ms

__utm.gif

__utm.gif

12 ms

print.css

print.css

146 ms

Accessibility Review

celox.cz accessibility score

45

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

celox.cz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

celox.cz SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Celox.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Celox.cz main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

celox.cz

Open Graph description is not detected on the main page of Celox. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: